On 01/23/2006 11:01 PM, Mario Limonciello wrote: >>> A quick question if I may. Am I right in thinking that if I buy a new >>> sound-card with 6 analogue channels on the output it will drive my 5.1 >>> amp (it has 6 channel input) for surround sound. >>> >> Yes (assuming you mean by 6-channel input that you have at least 6 RCA >> connectors or 3 headphone connectors for input). >> >> Note, though, that many cards use line in for surround output in >> surround modes, so if you've got a software encoder that requires a >> sound card for audio, you may have to keep your on-board card enabled as >> well for sound capture. >> >>> i.e. I guess I am asking does myth decode the 5.1 happily from DVDs >>> and from DVB-T broadcasts? >>> >> Yep. It's been doing this for a long time--just disable AC-3 pass >> through. Mark Spieth recently created a patch to support timestretch >> with multi-channel streams. He did the analog patch in no time, but >> it's the re-encoding to AC-3 that's taking some time. I don't think the >> patch has been put in SVN, yet, though, so it may not make it into 0.19. >> > On this exact note - I was having trouble just today with a recent SVN > release attempting to do 5.1 native from myth the analogue route. > > I have a HD5000 that records a few streams with 5.1. I also have xine > setup to use the analogue 5.1 outputs to drive my receiver for dvds. > Now in myth, when I change from ALSA:default to ALSA:surround51 (which I > use for xine), I get no audio in myth. If I try to force it to the > exact pcm available for my card, ALSA:hw:0,3 I also get no audio. Is > there something else I'm missing here? > > Here is relavent info from my mythfrontend console output: > 2006-01-23 21:59:58.595 Opening audio device 'hw:0,3'. > 2006-01-23 21:59:58.637 Access type not available: Invalid argument > 2006-01-23 21:59:58.637 Unable to set ALSA parameters > 2006-01-23 21:59:58.637 NVP: Disabling Audio, reason is: Unable to set > ALSA parameters > What are you using for an ALSA conf (~/.asoundrc or /etc/asound.conf)?
Mike _______________________________________________ mythtv-users mailing list mythtv-users@mythtv.org http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users